Located in the midwestern United States, Ohio is a state with a major presence in a variety of industries. Its major cities include Columbus, Dayton, Cleveland, Akron, and Cincinnati.

Aerospace and defense are major industries in Ohio, with many companies in the industry setting up a presence in the state. Dayton was designated as the hub for aerospace innovation in 2009 by the state governor.

Science and technology are also large industries in Ohio. Bioscience and health technology in particular are big areas, especially in northeastern Ohio. Research and development is another large industry. Other industries include healthcare, energy, insurance, and financial services.